Ceramic chimney: device and installation of a ceramic channel

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Among the smoke removal systems, the undisputed leader is the ceramic chimney. This is a modern and reliable device with which you can effectively organize the work of your heating device.

Installation of such a chimney is not too complicated, although inexperienced builders should seek advice from a good master.

In this material we will tell about the features of ceramic chimneys, as well as provide step-by-step instructions for their self-installation.

The content of the article:

  • Features of ceramic structures
  • Device and regulatory requirements
  • Chimney installation procedure
    • Preparation and installation of the base
    • Installation of tee and pipe
    • Insulation and concrete blocks
    • Fastening and decorating the outside
  • Useful installation tips
  • Conclusions and useful video on the topic

Features of ceramic structures

The use of ceramic components for the installation of the chimney is an ingenious solution in its own way. Baked clay is resistant to virtually any temperature, so these chimneys can be used for boilers running on liquid or solid fuels.

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This feature of the material makes it versatile in use. Especially for low-temperature boilers developed a separate version of such a chimney.

Burnt clay endures abrupt changes in temperature with amazing stability, the operating time of such a chimney reaches three decades. One of the main advantages of ceramics is a high level of fire safety. On the smooth walls of the structure accumulates a minimum amount of soot and other foreign products, which significantly reduces the risk of fire.

Ceramic Chimney Elements

Ceramic chimney consists of many elements. In addition to the details of the ceramic pipe with a sleeve of insulation and a concrete frame, you need an adapter for connecting to a furnace, an inspection hatch, a cap, etc.

The ceramic walls of the chimney perfectly retain heat and resist the effects of moisture condensed on the walls, even if this moisture contains acids or other corrosive substances.

With proper installation, combustion products never enter the room through random gaps. Smoke is removed completely and with a high degree of efficiency.

Ceramics not only prevents the transfer of heat to surrounding objects, but also accumulates a portion of thermal energy. Such structures can be placed inside and outside the building. In the latter case, you need to take care of additional structural insulation.

Private housing is practically the only area of ​​application for ceramic chimney systems. They should not be installed in high-rise buildings.

Ceramic chimney device

Ceramic chimney pipe is wrapped in a layer of insulation that has refractory characteristics, and outside it is reinforced with concrete blocks, which are additionally reinforced with metal rods

It is worth remembering that such devices compared to their counterparts have a rather high price. Another problem that may arise with a ceramic chimney is a ban on bending. Ceramic chimney should be installed strictly upright. If this is not possible, then you will have to give preference to another. chimney type.

The ceramic chimney construction weighs a lot. That is why, if the weight of the chimney exceeds 400 kg, it will be necessary to establish a separate foundation for it, which should not be associated with the general base of the structure. However, on monolithic foundations such installation is allowed, but you still need to correlate the increased load with the total bearing capacity of the foundation.

If you plan to install a ceramic chimney not on the first floor, but above, you need to calculate the load and compare it with the carrying capacity of the ceiling.

Ceramic Chimney Layout

Ceramic chimney is suitable for both indoor and outdoor installation, but it should be placed only vertically

The installation of a ceramic structure looks relatively simple, but it still requires effort and a very careful attitude. If the steel structure can be assembled literally in one day, then it will take two or three days to assemble ceramics of similar length.

In addition, such a chimney can not be disassembled and installed in a new place, but the system of steel suitable for reuse.

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Ceramic tube - the main part of the system

The basis of the ceramic chimney is a round pipe, made of clay that has undergone high-temperature processing. Its smooth walls prevent the deposition of soot, they are not deformed by exposure to hot gas.

Ceramic Chimney Structure

Ceramic chimney pipes are assembled from prefabricated modules. The outer part of them is made of expanded clay, inside, between the outer casing and the pipe is laid non-combustible insulation

The construction of the smoke exhaust system

The modular assembly principle of ceramic pipes provides the easiest and relatively easy way to build a smoke exhaust system for a one- and two-story house.

Ceramic pipe without a ventilation duct

Ceramic pipes are produced both with a ventilation duct, intended for the inflow of cooling air duct, and without it. The first one is longer and less likely to need cleaning.

Ceramic tube - the main part of the system

Ceramic tube - the main part of the system

Ceramic Chimney Structure

Ceramic Chimney Structure

The construction of the smoke exhaust system

The construction of the smoke exhaust system

Ceramic pipe without a ventilation duct

Ceramic pipe without a ventilation duct

Device and regulatory requirements

Chimneys of this type consist of separate blocks, which are assembled as a constructor. A special heat-insulating layer is mounted on top of the ceramics, all of which is enclosed in a lightweight concrete frame.

In addition to the basic units, other elements are needed for the installation of such a construction, without which no chimney can do:

  • chimney base;
  • tee for inspection and cleaning structures;
  • adapter for connecting the heating device;
  • condensate collector.

The chimney must be high enough to create good traction. The optimum height is five meters or higher. Even if the pipe turns out to be much larger, there is no need to worry about excessive thrust. At high altitude, the gases that move through the pipe have cooled down a bit, and this will increase their weight, and the speed of movement will slow down.

Above the ridge of the roof, or its parapet, the ceramic chimney should rise not less than 50 cm. To accurately determine the maximum length of the pipe protruding above the roof, from its ridge draw a conventional straight line at an angle of 10 degrees down from the horizontal rail.

The chimney must be above this conditional level. If the pipe goes onto a flat roof, it should rise to 120 cm.

Ceramic Chimney Height

There are strict technical regulations regarding the height of the chimney above the roof to prevent the roof material from igniting and to provide good traction.

With regard to the adapter that connects the chimney and the heating boiler, it should be remembered that its diameter should be the same as the size of the chimney or larger. Narrowing of the structure at the connection point is unacceptable.

When installing a condensate tank, remember that you need a siphon with a length of about 15 cm to create a ten-centimeter water seal.

Chimney installation procedure

High fire safety of ceramic chimneys allows you to successfully use them in buildings made of natural wood. It is necessary to reckon with the possibility of shrinkage of the structure. Therefore, in such buildings, for example, in residential buildings or baths, it is not necessary to firmly fasten the chimney to the roof or ceilings.

Ceramic chimney layout

Ceramic chimney elements must be connected in series from bottom to top. The base of the structure must be horizontal and the position of the pipe must be strictly vertical.

If the fastening is rigid, this may cause damage to the chimney structure later on. When installing any chimney should follow the manufacturer's recommendation, but pay special attention to compliance with fire safety rules.

During the installation process, you will have to perform the following steps:

  • To conduct a series of preparatory activities.
  • Install the chimney base.
  • Install an adapter for connecting to the boiler and a tee for maintenance of the structure.
  • Install chimney.
  • To carry out a covering of a design by the heat-insulating materials.
  • Fasten and decorate the outer part of the chimney.

Exact adherence to the technology of installation of ceramic chimneys will make them reliable, safe and resistant to extraneous exposure. But negligence and blemishes can lead not only to structural damage, but also to the occurrence of a fire.

The optimal time for the installation of chimney construction - before the start of decorative decoration of residential premises, as well as before the laying of the roofing pie.

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A set of modules for the assembly of the chimney

The modular assembly principle of a ceramic flue pipe allows calculating the required amount of materials for construction with extremely high precision.

Guide rods for ease of installation

Mounting and alignment of the structure greatly facilitate the mounting holes at the corners of the casing, in which metal guides are installed

Formation of the passage of the chimney

The passage of the chimney structure through the roof should provide a safe distance between it and the combustible roof elements.

Arrangement of the roofing passage from the inside

The space around the pipe open by the passage is equipped according to standard technologies: fixed on metal corners with a box with non-combustible insulation. Top pass is closed by a flash master

Ventilation and cleaning points

For the installation of ventilation grills, devices for inspection chambers with doors in the chimney are installed tees

Installing the gate to adjust the flow of smoke

For the device of the view, which allows to regulate the outflow of smoke and the accompanying heat, a tee is mounted on the chimney, the panel with the gate is installed outside

Facing the chimney stone slabs

Ceramic chimneys are installed on a foundation separate from the furnace, the furnace is connected to it with a sleeve. Not too attractive claydite surface revetted with stone or brick

Registration of the mouth of the chimney

The mouth of the chimney is covered with a cover plate fixed with anchors. A cone-shaped element is installed outside that stabilizes the temperature inside the system and protects it from precipitation.

A set of modules for the assembly of the chimney

A set of modules for the assembly of the chimney

Guide rods for ease of installation

Guide rods for ease of installation

Formation of the passage of the chimney

Formation of the passage of the chimney

Arrangement of the roofing passage from the inside

Arrangement of the roofing passage from the inside

Ventilation and cleaning points

Ventilation and cleaning points

Installing the gate to adjust the flow of smoke

Installing the gate to adjust the flow of smoke

Facing the chimney stone slabs

Facing the chimney stone slabs

Registration of the mouth of the chimney

Registration of the mouth of the chimney

Preparation and installation of the base

Before starting work you need to purchase all the necessary elements and materials. To do this, it is necessary to calculate the length of the chimney according to the above rules, as well as to determine the parameters of the base of the structure.

The connection point of the boiler pipe and the adapter must match exactly. If this moment is not thought out, it may be necessary to completely redo all the work in the future.

Ceramic Chimney Elements

All components and materials for the construction of the chimney made of ceramics are best purchased as a set from one manufacturer

Confusion in the calculations may occur in the case when the finishing floor at the installation site of the boiler has not yet been laid. When calculating the height of the boiler connection to the chimney, it is necessary to accurately determine the height of the so-called “floor cake” in order to take these data into account when determining the height of the base for the chimney.

The base under the chimney is made of cement-sand mixture, on which the adapter is installed to connect the heating device. This element has a groove, which will further remove condensed moisture. Care must be taken at this point in order not to damage an important node during the installation process.

Ceramic Chimney Installation Procedure

For a ceramic chimney that weighs over 400 kg, you will need to make a separate foundation. Through the audit perform maintenance design

The position of the adapter must be strictly aligned horizontally with the help of the building level. In addition to the condensate tank, there is also a supply air grille below, through which the structure is ventilated.

The foundation for a ceramic chimney is done in much the same way as any other foundation. It is poured with concrete, from above you need to cover the construction with a layer of waterproofing, for example, roofing material.

Installation of tee and pipe

For further installation of the ceramic elements of the chimney will need a special solution that is resistant to acid. It is prepared from a special dry mixture, which is mixed with water in a ratio of 7: 1 and thoroughly stirred until smooth. The solution should be used within one and a half hours, not more.

Installation of ceramic chimney

For the installation of a ceramic chimney, a special acid-resistant solution is kneaded, with which the structural elements are reliably connected to each other.

Adding water to an already prepared mixture is strictly prohibited. The tee, intended for maintenance of the structure, is installed on the connection pipe to the boiler, where it is carefully greased at the interfaces with this solution. Next on the tee consistently install the remaining elements of the chimney.

The bottom of the next element is always inserted into the top of the previous part of the design. All joints are sequentially lubricated with a solution. Excess bonding compound is carefully removed with a damp sponge. During assembly work, the position of the structure is constantly checked with a plumb line.

Ceramic Chimney Installation

Ceramic elements are placed on each other and fastened with mortar. In parallel, perform the installation of insulation and concrete frame with reinforcement

The important point of fire safety when installing the chimney is the position of the joints of individual elements. It is highly undesirable that the junction is in the thickness of the ceiling. Unfortunately, to avoid such an arrangement is not always possible. In this situation, additional measures will be needed to prevent a possible fire.

The junction of the ceramic elements of the chimney, which falls into the ceiling, should be additionally hidden with the help of non-combustible materials. Part of the chimney that runs through the attic requires special attention. If there is no heating in this room, it is necessary to additionally heat this section of the chimney.

Insulation and concrete blocks

For insulating the ceramic structure, special sleeves are made of heat insulating and fire resistant material. The trim should be installed in parallel with the installation of ceramic elements. Parts of the material are connected using a sealant.

For its application is most convenient to use a special gun. The sealing compound is applied both to the edges of the insulating material and to the upper edge of the ceramic element. As you install, excess sealant will protrude from the outside. It is best to remove them before the sealant is completely frozen.

For additional insulation of the ceramic chimney, cement-bonded chipboards can be used, fireproof plasterboard plates, etc. It is important to take into account the peculiarities of the room in which the design.

For example, some materials, such as the fireproof plasterboard or glass magnesite already mentioned, can emit substances hazardous to humans when heated. The use of such materials is not recommended in baths, steam rooms and other similar premises.

Lightweight concrete blocks are installed on top of the ceramic core with a sleeve of insulation. Lightweight concrete, which encloses a ceramic pipe with a sleeve of insulation, needs additional reinforcement.

It is carried out with the help of metal rods, which are inserted into special openings inside the blocks and filled with liquid cement mortar.

The holes for the reinforcement are made in such a way that not one but two rods fit inside. One of them must protrude from the block not less than 100 mm.

This protruding part is mounted in the next block, such an overlap can significantly increase the strength of the structure. Before installation of the ceramic chimney, the rods are cut into 150 cm lengths and inserted as needed.

Fastening and decorating the outside

The outer part of the ceramic chimney pipe should be reinforced, especially if the structure rises above the roof more than one and a half meters. Some manufacturers of such chimneys supply special rods for which holes, as already mentioned, are provided in the construction.

Exterior pipe finish

The outer part of the ceramic chimney must be warmed and enclosed in a special box to strengthen the structure. On top perform the decoration of the pipe

The rods are simply inserted into these holes and poured with a liquid solution. If such rods are missing or there is no possibility to purchase them, you can use steel bar for 10 mm for the same purpose.

In this case, it is necessary to observe the quality of the grout so that there are no voids inside the holes.

Outdoor ceramic tube

Ceramic chimney should rise at least one meter above the roof of non-combustible materials, for a flat roof rate is 120 cm

As an alternative, use external reinforcement. To do this, you need to make a welded "case" for the chimney from a steel angle and tape. Finally, it is possible to reinforce with a layer of reinforced concrete.

The outer part of the pipe must not only be strengthened, but also insulated. For decorating the chimney, which rises above the roof, you can use any non-combustible materials: brickwork or its imitation, tile, slate, etc.

Useful installation tips

One of the main rules for the installation of ceramic chimneys: only complete elements are suitable for installation. The presence of chips, cracks or any other damage is unacceptable. You should not try to seal the damaged place with a sealant or something like that.

This is a dangerous solution, since the damage inside the structure can fail at any time and cause a fire.

Therefore, each item must be checked at the time of purchase, as well as immediately prior to installation. If even minor damage is found, a replacement should be made. The base for the adapter should be perfectly flat and horizontal.

To achieve this, experienced builders use a level, and the surface of the base is trimmed with some even material, such as tiles, porcelain stoneware, etc.

Ceramic Chimney Service

Maintenance of the ceramic chimney should be performed regularly twice a year: inspect, clean soot and check the level of traction

Maintenance of chimneys of this type is not difficult to perform. Need to check for traction soot pipe cleaning, to monitor the integrity of all structural elements.

Usually these operations are performed twice a year, but if there is reason to doubt the normal functioning of the chimney, servicing activities can be performed unplanned. Although with proper installation problems with such structures practically do not arise.

Conclusions and useful video on the topic

This video clearly shows the process of installing a ceramic chimney: from unpacking the factory kit to finishing the outer part:

If in the ready-made structure you need install gate, this master class will help to perform all the operations correctly:

Here you can find detailed video installation instructions from the manufacturer of TONA Tec Iso systems (Germany):

The quality and reliability of ceramic chimneys explains the growing popularity of this type of construction. However, one should not forget that every stage of installation of such a system must be executed correctly and as thoroughly as possible.

It is better for novice amateur stove-workers to entrust this important task to specialists, so as not to spoil expensive components and not endanger their home.

Want to talk about how to independently install a ceramic chimney in your own home? You can do this by leaving a comment in the box below. You can also ask questions about the topic of the article.

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